
Connecting a system terminal or modem Page 181 of 456
Communication Server 1000M and Meridian 1 Large System Installation and Commissioning
6 Disconnect the power cord and serial from the modem.
7 Set DIP switches 1 and 4 to ON (down) and the remaining switches OFF
(up).
End of Procedure
Connecting a modem to an SDI port
Use Procedure 22 to connect an SDI port directly (no switch box) to a modem
(see Figure 72 on page 183).
Procedure 22
Connecting a modem to an SDI port
1 At the remote end, connect an RS-232 cable to the terminal and to the
modem.
2 At the remote end, connect the cable from the modem to an RJ11
telephone jack. If a cable is required, connect an NT8D46 cable to the
modem and to the RJ11 jack.
Table 18
Modem Commands
Command Effect
AT&F Load active profile.
AT&H0 Flow control disabled.
AT&D3 Resets on receipt of DTR.
AT&S1 Modem controls DSR.
ATS0=1 Answer after 1 ring.
ATS2=128 Escape character = ASCII 128.
ATS7=60 Pause one second for carrier detection.
ATQ1 Quiet mode.
AT&W Store active profile.
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